arm: dts: mt2701: Add usb2 device nodes

Add musb nodes and usb2 phy nodes for MT2701

Signed-off-by: Min Guo <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Matthias Brugger <[e-mail]>

arch/arm/boot/dts/mt2701-evb.dts

···
  */
 
 /dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
 #include "mt2701.dtsi"
 
 / {
···
 			255
 		>;
 		default-brightness-level = <9>;
+	};
+
+	usb_vbus: regulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "usb_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 45 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
 	};
 };
 
···
 
 &uart0 {
 	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+	usb-role-switch;
+	connector{
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		type = "micro";
+		id-gpios = <&pio 44 GPIO_ACTIVE_HIGH>;
+		vbus-supply = <&usb_vbus>;
+	};
 };

arch/arm/boot/dts/mt2701.dtsi

···
 		};
 	};
 
+	usb2: usb@11200000 {
+		compatible = "mediatek,mt2701-musb",
+			     "mediatek,mtk-musb";
+		reg = <0 0x11200000 0 0x1000>;
+		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "mc";
+		phys = <&u2port2 PHY_TYPE_USB2>;
+		dr_mode = "otg";
+		clocks = <&pericfg CLK_PERI_USB0>,
+			 <&pericfg CLK_PERI_USB0_MCU>,
+			 <&pericfg CLK_PERI_USB_SLV>;
+		clock-names = "main","mcu","univpll";
+		power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
+		status = "disabled";
+	};
+
+	u2phy0: usb-phy@11210000 {
+		compatible = "mediatek,generic-tphy-v1";
+		reg = <0 0x11210000 0 0x0800>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		status = "okay";
+
+		u2port2: usb-phy@1a1c4800 {
+			reg = <0 0x11210800 0 0x0100>;
+			clocks = <&topckgen CLK_TOP_USB_PHY48M>;
+			clock-names = "ref";
+			#phy-cells = <1>;
+			status = "okay";
+		};
+	};
+
 	ethsys: syscon@1b000000 {
 		compatible = "mediatek,mt2701-ethsys", "syscon";
 		reg = <0 0x1b000000 0 0x1000>;